902397 has 4 divisors (see below), whose sum is σ = 1203200. Its totient is φ = 601596.

The previous prime is 902389. The next prime is 902401. The reversal of 902397 is 793209.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 793209 = 3 ⋅264403.

It is not a de Polignac number, because 902397 - 2³ = 902389 is a prime.

It is a D-number.

It is a Duffinian number.

902397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (902347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150397 + ... + 150402.

It is an arithmetic number, because the mean of its divisors is an integer number (300800).

2⁹⁰²³⁹⁷ is an apocalyptic number.

It is an amenable number.

902397 is a deficient number, since it is larger than the sum of its proper divisors (300803).

902397 is a wasteful number, since it uses less digits than its factorization.

902397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300802.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 902397 is about 949.9457879269. The cubic root of 902397 is about 96.6345764800.

The spelling of 902397 in words is "nine hundred two thousand, three hundred ninety-seven".